Home / 8,258.92-11,395.60-5,272.88

Finding the Fourth Proportional to 8,258.92, 11,395.60 and 5,272.88

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Solution

The fourth proportional to 8,258.92, 11,395.60 and 5,272.88 is: 7,275.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,258.92 : 11,395.60 = 5,272.88 : x
  2. Step 2: Convert to fraction form
    8,258.92/11,395.60 = 5,272.88/x
  3. Step 3: Cross multiply
    8,258.92x = 11,395.60 × 5,272.88
  4. Step 4: Simplify right side
    8,258.92x = 60,087,631.33
  5. Step 5: Solve for x
    x = 60,087,631.33/8,258.92
  6. Step 6: Final answer
    x = 7,275.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.